//退出
function logout(){
	layer
	.confirm(
			'确定要退出吗？',
			function(index) {
				$
						.ajax({
							type : "post",
							url : "/Medical_Instrument/operator/logout",
							dataType : "json",
							success : function(data) {
								if(data.result=="success")
								 location.href="http://localhost:8080/Medical_Instrument/";
							}
						});

			});
	
}